Troubleshooting

Specifications

If a problem occurs when you are using the TV, check the below troubleshooting guide before calling for repair.

TV RF systems

AV-21Q17 / AV-21S19 : B, G, I, D, K

Others models : B, G, I, D, K, M

Problem

No or poor picture

Snowy picture

Stripes or coloured

Cause / Solution

• Turn OFF BLUE BACK if it is ON. (\ page 5)

• Adjust the COLOUR or BRIGHT setting. Refer to

“PICTURE SETTING”. (\ page 5)

• Choose the appropriate colour system. (\ page 5)

• Check the aerial and TV connections. (\ page 3)

• Interference caused by electrical appliances or

Colour systems

Receiving channels

AV-21Q17 / AV-21S19 : PAL, SECAM, NTSC 3.58 MHz / NTSC 4.43 MHz

(in VIDEO mode only)

Others models : PAL, SECAM, NTSC 3.58 MHz / NTSC 4.43 MHz

VHF low channel (VL), VHF high channel (VH), UHF channel (U) Receives cable channels in mid band, super band and hyper band.

patches appeared

Double-picture (ghosting)

No or poor sound

White and bright still image looks as if it is coloured

Image from video input is distorted

Cannot operate the remote control

Cannot operate the

MENU

Cannot operate the front panel buttons

Image takes a while to be displayed

TV emits crackling sound

Static shock when touch the TV screen

speakers. Move them away from the TV.

• Interference caused by signal reflecting from mountains

or buildings. Adjust the aerial’s direction or use another

antenna.

• Choose the appropriate sound system. (\ page 5)

• Inevitable phenomenon due to the nature of the picture

tube. This is not a malfunction.

• The image was not properly recorded. This is not a

malfunction.

• Replace the batteries. (\ page 2)

• Operate it at less than 7 meters from the TV.

• Exit and enter the MENU again.

• Turn OFF CHILD LOCK if it is ON.

• Image requires time to stabilize before display.

This is not a malfunction.

• Caused by a sudden change in temperature and it is not

a malfunction. Call a service technician for inspection.

• Caused by static electricity of the picture tube and it will

not harm the human body. This is not a malfunction.

Power requirements

For Malaysia

AC 160 to 240 V, 50 Hz / 60 Hz

For others

AC 110 to 240 V, 50 Hz / 60 Hz

External input / output

INPUT

VIDEO input, AUDIO input

OUTPUT

VIDEO output, AUDIO output

Headphone jack

Stereo mini jack (3.5 mm diameter)

Design and specifications are subject to change without notice.

© 2009 Victor Company of Japan, Limited

0209SCT-NF-MT

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JVC AV-21S19 Troubleshooting Specifications, Problem, Cause / Solution, Power requirements, External input / output